<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<title></title>
</head>
<body>
	用户名: <input type="" name="" class="userName"><br>
	密码: <input type="" name="" class="passWord"><br>
	管理员姓名: <input type="" name="" class="name"><br>
	权限 <select class="role">
			<option value="1">超级管理员</option>
			<option value="2">管理员</option>
			<option value="3">普通用户</option>
	</select><br>
	<button>注册</button>
	<script type="text/javascript">
		let userName = document.querySelector('.userName')
		let passWord = document.querySelector('.passWord')
		let name = document.querySelector('.name')
		let role = document.querySelector('.role')
		let btn = document.querySelector('button')

		btn.onclick = function() {
			let xhr = new XMLHttpRequest()
		xhr.open("post", "http://wish.byesame.com/register")
		xhr.setRequestHeader("Content-Type", 'application/x-www-form-urlencoded')
		xhr.send(`userName=${userName.value}&passWord=${passWord.value}&name=${name.value}&role=${name.value}`)
		xhr.onreadystatechange = function() {
			if (xhr.readyState == 4) {
				let res = JSON.parse(xhr.responseText)
				console.log(res)
				if (res.code == 200) {
					alert("注册成功")
				}else if(res.code == 188){
					alert("用户已存在")
				}else{
					alert("请联系管理员")
				}
			}
		}
		}
		
	</script>
</body>
</html>